(19)

(11)

EP 4 515 039 A1

(12)

(43) Date of publication: 05.03.2025 Bulletin 2025/10 (21) Application number: 22726677.2 (22) Date of filing: 29.04.2022

(51) International Patent Classification (IPC):  E01F 13/02(2006.01) E04H 17/14(2006.01) E01F 15/14(2006.01) (52) Cooperative Patent Classification (CPC): E01F 15/14; E01F 15/141; E01F 13/02; E01F 13/022 (86) International application number: PCT/EP2022/061599 (87) International publication number: WO 2023/208381 (02.11.2023 Gazette 2023/44)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Axelent AB 335 04 Hillerstorp (SE)	(72) Inventors: ERLING, Fredrik 335 71 Hestra (SE) ABRAMSON, Jonas 554 38 Jönköping (SE) (74) Representative: AWA Sweden AB  Matrosgatan 1 Box 5117 200 71 Malmö 200 71 Malmö (SE)